summer squash casserole slow cooker

2lb yellow summer squash thinly sliced about 6 cups or zucchini 1/2 med onion chopped
1 cup pared shredded carrot
1 can 10 3/4 oz cream of chicken soup
1 cup sour cream
1/4 cup of flour
1 pkg of seasoned stuffing crumbs 8oz
1/2 cup of butter melted
in large bowl combine squash onions carrot and soup mix sour cream and flour stir into vegetables toss stuffing crumbs with butter and place half in crock pot add vegetable mixture and top off with remaining stuffing crumbs cover cook for 6 - 8 hours on low